Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebe5e1ab7e8153dc…

MALICIOUS

PDF

75.3 KB Created: 2021-02-22 21:27:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 2f20965d22b6089839398ac97a82cb08 SHA-1: 34c34f950fa198c20d69aae35da6ac358a72d4d8 SHA-256: ebe5e1ab7e8153dc2103a485a7a39d1db98acaa6da74691c82806903eb018041
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, suggests a lure related to a product manual. No scripts were extracted, but the presence of external URIs indicates an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://druttle.ru/wix?keyword=noco+genius+g1100+manuale+italiano PDF link annotation
    • http://homebig.space/kikanunutubidutagojesuskrms.pdfIn PDF document text
    • http://kuroramogesok.iblogger.org/mafobi.pdfIn PDF document text
    • http://potolkilife.ru/86315410573skufc.pdfIn PDF document text
    • http://wowitaly.space/bidotubokojuvituweb60372.pdfIn PDF document text
    • http://osmosiotzs.fun/mereradeburunujemq46z.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420752/normal_5fec09a2269a9.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/tuxexi/ateneo_de_zamboanga_college_uniform.pdfIn PDF document text
    • http://buwomonemagup.epizy.com/dajitun.pdfIn PDF document text
    • http://rujuramu.rf.gd/1936142269.pdfIn PDF document text
    • http://vugapadilubokis.epizy.com/nigerian_newspapers_online_today_sahara_reporters.pdfIn PDF document text
    • https://s3.amazonaws.com/fewunadupop/curriculum_map_template_for_physical_education.pdfIn PDF document text
    • http://demezokesude.rf.gd/django_iterate_queryset_in_template.pdfIn PDF document text
    • https://s3.amazonaws.com/babetafaperaxov/veerana_film_bhoot_ki_video.pdfIn PDF document text
    • https://s3.amazonaws.com/roxawo/absolute_value_equations_on_both_sides_worksheet.pdfIn PDF document text
    • http://loxosufodu.epizy.com/hunting_jungle_animals_games.pdfIn PDF document text
    • http://gebuzabode.epizy.com/binodagobi.pdfIn PDF document text
    • https://s3.amazonaws.com/pizexopenaxu/mitral_regurgitation_guidelines_2017.pdfIn PDF document text
    • http://genenapukiral.epizy.com/jagikowamexiseg.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eb6b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB6B 5188 bytes
SHA-256: 0c5a3037351c9f034a5396d90ad5e8f837d4c6b781ea8b3a8c2fb492d706aab0
font_01_sfnt_off0000fd11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD11 10148 bytes
SHA-256: cd7ff8ed2ff8c23b11bb3407ab720f94fbfa60acce63ecb30276aed8124b3481

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